Airtac SAIJ200 Adjustable Cylinder SAIJ200AX165-20
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX165-20 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 165mm stroke, G3/4 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ200 mm
- Stroke165 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX165-20
The AirTAC SAIJ200X165-20 is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It delivers immense thrust, generating 15708N of push force and 15080N of pull force at 0.5 MPa. By integrating a 20mm adjustment screw, this unit provides a usable travel window between 145mm and 165mm, allowing precise end-position tuning without swapping out the entire actuator.
Built with an SUS420J2 stainless steel rod (material code A), it handles demanding environments while utilizing PT tapered port threads (G3/4) for pneumatic connections. The extruded aluminum barrel features sensor grooves on both sides, supporting CMSE reed and DMSE electronic switches if a magnet is added later. This heavy-duty model achieves a standard speed range of 30-500 mm/s and relies on variable air cushions at both ends to decelerate massive loads smoothly.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX165-20 Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX165-20 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 165 mm |
| Acting type | Double acting |
| Port size | G3/4 |
| Rod thread | M36×2 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 500 mm/s |
| Cushion | Adjustable, 50 mm |
| Max stroke | Up to 1500 mm |
Specifications follow the official AirTAC SAI series datasheet and ISO 15552 dimensions. Confirm against the product label before installation. Port options: G (BSPP) / NPT.
Theoretical Output Force (Ø200mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 15708 N | 15080 N |
| 0.7 MPa | 21991 N | — |
| Max (@1.0 MPa) | 3204 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ200 Adjustable Cylinder SAIJ200AX165-20
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×165 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related SAI-family variants: SAID (double rod), SAIJ (adjustable stroke), SAIL (with lock), SAIF (with valve), BSAI (enclasp / clamp-lock), and SAI-S with built-in magnet. Rod material: carbon steel (blank) / SUS420J2 (A) / SUS304 (B); seals: TPU (blank) / Viton H / NBR N.
Where the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX165-20 Is Used
Heavy Press Tuning
Dial in the exact 145-165mm end-stop during commissioning to prevent over-travel on high-tonnage pressing tasks without adding external stops.
Product Changeover
Quickly adjust the stroke length by up to 20mm on a production line when switching between different large-scale product sizes.
Massive Load Positioning
Leverage the 15708N push force to move heavy assemblies into place, relying on the rear screw to set the precise retraction point.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX165-20 the Right Cylinder?
Selecting this 200mm bore actuator is appropriate when an application demands extreme force, such as 21991N push at 0.7 MPa, alongside a 145-165mm adjustable travel window. If the 165mm nominal stroke is excessive, stepping down to a 160mm bore reduces the footprint and yields 10053N push at 0.5 MPa. The rear adjuster functions strictly as a travel stop for commissioning fine-tuning, not as a locking device; it cannot hold a load without live air pressure. For positive load-holding, an external rod lock or a related SAIL pneumatic lock cylinder is required. As a dimensionally interchangeable ISO 15552 profile cylinder, it matches standard mounting footprints using the Basic, FA, LB, TC, FTC, TCM1, and TCM2 mounting set, explicitly omitting FB, CA, CB, and CR brackets.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT/NPT/G)
- ✓ Magnet (-S) for sensors?
- ✓ Side load — consider a guided cylinder
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Avoid side load on the piston rod.
- check Adjust end cushion screws for smooth stops.
- check Use correct mounting accessory (FA/FB/CA/CB/LB/TC).
- check Installation by qualified personnel per AirTAC docs.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX165-20 FAQ
At 0.5 MPa, this 200mm bore cylinder provides 15708N of push force and 15080N of pull force. At 0.7 MPa, the push force increases to 21991N.
The rear adjuster acts as a mechanical stop that shortens the effective travel. For this 165mm stroke model, you can trim the stroke back by up to 20mm, creating a usable travel window of 145-165mm for fine-tuning at commissioning.
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